Something to make you think (but don't think too hard)

[Cale_Hagan]

it took me forever, till someone said it had to do with pattern. my brain hurts....

[d_stilgar]

No but I found it easiest to solve if I considered the difference between the numbers that equal 0 and all the others.

I'll add to this hint by saying that all the answers equal a low number, which is a clue in itself.

[slaveofconvention]

Ok so the answer (along with the reason) is here --> http://www.thebestcasescenario.com/f...557#post358557

I figured that this was the best way to help out those of you going slowly insane while still allowing those of you who haven't had a go to try to figure it out....